- ciphered signal
- ciphered signal NRT chiffriertes Signal n, verschlüsseltes Signal n
English-German dictionary of Electrical Engineering and Electronics. 2013.
English-German dictionary of Electrical Engineering and Electronics. 2013.
Shortwave — radio operates between the frequencies of 3,000 kHz (3.000 MHz) and 30,000 kHz (30.000 MHz) [ Tomislav Stimac, [http://www.vlf.it/frequency/bands.html Definition of frequency bands (VLF, ELF... etc.)] . IK1QFK Home Page (vlf.it).] and came to be… … Wikipedia
ZigBee — module. The €1 coin, shown for size reference, is about 23 mm (0.9 inch) in diameter. ZigBee is a specification for a suite of high level communication protocols using small, low power digital radios based on an IEEE 802 standard for personal… … Wikipedia
Jan Kowalewski — Lt. Col. Jan Kowalewski (1892–1965) was a Polish cryptologist, intelligence officer, engineer, journalist, military commander, and creator and first head of the Polish Cipher Bureau. He was one of a large staff of cryptologists who broke Soviet… … Wikipedia